External module "math/base/special/factorialln/docs/types/index.d"

Export assignment factorialln

• factorialln(x: number): number

• Evaluates the natural logarithm of the factorial of x.

  Parameters

  • x: number

    input value

  Returns number

  natural logarithm of factorial of x

  Example

  var v = factorialln( 3.0 );
  // returns ~1.792

  Example

  var v = factorialln( 2.4 );
  // returns ~1.092

  Example

  var v = factorialln( -1.0 );
  // returns NaN

  Example

  var v = factorialln( -1.5 );
  // returns ~1.266

  Example

  var v = factorialln( NaN );
  // returns NaN